This nothing new. She was registered before this years primary season started.
8/30/1999 - Federal Election Commission lists Hillary Rodham Clinton presidential campaign committee for 2000
Just a reminder as we move into her optimal jump-in period.
actually there is a certain amount of twisted logic to this. Is there any way Hillary could survive a real campaign? Probably not there would be too much time for her background to get exposed/researched and she would eventually insult everyone. A shorteneed unexpected campaign may be her best shot.
Actually, she was registered before the last presidential election for 2004. She has always kept her options open.
And .. Hillary's had a PAC for President since 2000.